<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>热力图</title>
</head>
<script
        src="https://code.jquery.com/jquery-3.3.1.min.js"
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<script src=""echarts.min.js></script>
<body>
<h1>hello,echarts</h1>
</body>
</html>